A STAC Item represents a group of files/assets. But if too many assets the item should be subdivided. Multi-level collections.
Pro:
STAC compliant.
External consistency: for items with not too many assets we can match with similar external catalogs.
Con:
Internal inconsistency: as larger items will need to be broken up items won't represent the same granularity for all areas of the archive. Would also require different collection levels.
Option 1: STAC compliant, internal > external consistency
A STAC Item represents only one file/asset. Multi-level collections.
Pro:
Con:
Option 2: STAC compliant, internal < external consistency
A STAC Item represents a group of files/assets. But if too many assets the item should be subdivided. Multi-level collections.
Pro:
Con:
Option 3: STAC defiant internal + external consistency
A STAC Item represents a group of files/assets. Extension to allow for large number of assets.
Pro:
Con: